单项选择题

What steps have been taken by big airlines according to the passage

A．To reduce air fares.
B．To streamline airline structures.
C．To readjust their marketing strategy.
D．To pursue marketing alliances.
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单项选择题
What is true of the campus of Deep Spring College
A．It’s located in a college town.
B．It’s composed of a group of old buildings.
C．Its classrooms are beautifully designed.
D．Its library is often crowded with students.
单项选择题
What is the total number of students at Deep Spring College
A．17,000.
B．1,700.
C．24.
D．9,000.
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